html,
body,
div {
    margin: 0;
    padding: 0;
}

div {
    border-style: solid;
    border-color: red;
}

html {
    height: 100%;
    min-height: 100%;
}

body {
    background-color: #F0FFF0;
    height: 100%;
    min-height: 100%;
}

.body_box {
    margin: 0 auto;
    width: 1200px;
    height: 100%;
    min-height: 100%;
    position: relative;
}

.banner_box {
    height: 240px;
    background-image: url("../image/banner.png");
    background-repeat: no-repeat;
}

.mune_box {
    height: 40px;
}

.menu_list {
    list-style-type: none;
}

.menu_list li {
    display: inline;
}

.menu_list li a {
    min-width: 200px;
}

.menu_list a:link,
a:visited {
    font-weight: bold;
    color: #FFFFFF;
    background-color: #98bf21;
    text-align: center;
    padding: 6px;
    text-decoration: none;
    text-transform: uppercase;
}

.menu_list a:hover,
a:active {
    background-color: #7A991A;
}

.connext_box {
    width: 100%;
}

.article_box {
    width: 840px;
    float: left;
}

.list_box {
    width: 320px;
    float: right;
}

.footer_box {
    height: 120px;
    width: 100%;
    clear: both;
    /*or前面的是absolute就可以用*/
    position: absolute;
    bottom: 0px;
}